Date: Thu, 6 Feb 2003 23:38:34 -0800 From: "Tom Stangl, VFAQman" <[EMAIL PROTECTED]> Subject: Re: [LIB] Battery
Date: Thu, 06 Feb 2003 23:34:18 -0800 From: "Tom Stangl, VFAQman" <[EMAIL PROTECTED]> Subject: Re: [LIB] Battery
barnacle wrote:
Would it be possible to build a circuit onto the external battery to show charge state? I don't see why not, since there are many products that have battery meters ON the battery these days.Date: Fri, 7 Feb 2003 07:03:16 +0000 From: barnacle <[EMAIL PROTECTED]> Subject: Re: [LIB] Battery
On Friday 07 Feb 2003 1:16 am, you wrote:
Date: Fri, 07 Feb 2003 02:14:29 +0100 From: Julian Vassaux <[EMAIL PROTECTED]> Subject: Battery
Hi all !
I've got a Lib50 and I'm thinking of adding an external battery, as
explained on the fixup.net web site (the one with the led to get the 15V
to start the libretto).
I've seen I can have lead batteries for quite a few money, for example a
3.2Ah for 20euro or even a 7Ah for 23euro (but this one is too heavy).
What do you think about it? Has anyone tried a 3.2Ah lead battery with a
libretto?
I do not want to damage it!!! How much running time do you think I can
have on this battery (not including the internal battery).
Thanks
Julian
There's a lot of comments from about three years ago in the archives (www.technoir.nu) which would be worth seeking out.
IIRC your biggest problem - if you use a battery plugged into the power socket - is identifying when the battery is discharged. The lib silently switches to its own battery and when that's empty, it dies without any warning.
Or a circuit built into the cord between the ext batt and Lib that fed from either batt, and lit an LED when there was no power coming in from the ext batt.
-- Tom Stangl ***http://www.vfaq.com/ ***DSM Visual FAQ home ***http://ba.dsm.org/ ***SF Bay Area DSMs
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